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Be careful not to destroy non-existant calls

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git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@103 2fbb986a-6c06-0410-b554-c9c1f0a7f128
This commit is contained in:
Mark Spencer
2004-06-06 23:26:43 +00:00
parent 2300f57294
commit 551f0fafc8
1 changed files with 12 additions and 4 deletions
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16
q931.c
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@@ -1353,13 +1353,13 @@ q931_call *q931_new_call(struct pri *pri)
return q931_getcall(pri, pri->cref | 0x8000);
}
static void q931_destroycall(struct pri *pri, int cr)
static void q931_destroy(struct pri *pri, int cr, q931_call *c)
{
q931_call *cur, *prev;
prev = NULL;
cur = pri->calls;
while(cur) {
if (cur->cr == cr) {
if ((c && (cur == c)) || (!c && (cur->cr == cr))) {
if (prev)
prev->next = cur->next;
else
@@ -1377,11 +1377,19 @@ static void q931_destroycall(struct pri *pri, int cr)
pri_error("Can't destroy call %d!\n", cr);
}
void __q931_destroycall(struct pri *pri, q931_call *c) {
static void q931_destroycall(struct pri *pri, int cr)
{
return q931_destroy(pri, cr, NULL);
}
void __q931_destroycall(struct pri *pri, q931_call *c)
{
if (pri && c)
q931_destroycall(pri,c->cr);
q931_destroy(pri,0, c);
return;
}
static int add_ie(struct pri *pri, q931_call *call, int msgtype, int ie, q931_ie *iet, int maxlen)
{
unsigned int x;